May 22 10:00 AM PT11:00 AM MT12:00 PM CT1:00 PM ET17:00 GMT1:00 AM 北京时间10:00 AM MST12:00 PM EST12:00 PM CT21:00 UAE13:00 ET16:00 - The Kansas City Chiefs have signed free agent safeties Demps and Malcolm Bronson and released safety Justin Glenn and cornerback James Rogers.Analysis: Demps played for new Chiefs coach Andy Reid while both were in Philadelphia from 2008-09, and spent the past three seasons with the Texans. The former fourth-round draft pick has 61 tackles, three interceptions and one fumble recovery in 48 career games.